Various Scoreboard fixes (#1381)

* Various Scoreboard fixes

Fixes #1328 and a few other potential Scoreboard problems

* Consistent whitespacing

Co-authored-by: DoctorMacc <toy.fighter1@gmail.com>

connector/src/main/java/org/geysermc/connector/scoreboard/Objective.java

@@ -76,7 +76,8 @@ public class Objective {
         if (!scores.containsKey(id)) {
             Score score1 = new Score(this, id)
                     .setScore(score)
-                    .setTeam(scoreboard.getTeamFor(id));
+                    .setTeam(scoreboard.getTeamFor(id))
+                    .setUpdateType(UpdateType.ADD);
             scores.put(id, score1);
         }
     }
@@ -96,15 +97,6 @@ public class Objective {
         return 0;
     }
 
-    public Score getScore(int line) {
-        for (Score score : scores.values()) {
-            if (score.getScore() == line) {
-                return score;
-            }
-        }
-        return null;
-    }
-
     public void removeScore(String id) {
         if (scores.containsKey(id)) {
             scores.get(id).setUpdateType(UpdateType.REMOVE);

connector/src/main/java/org/geysermc/connector/scoreboard/Score.java

@@ -49,7 +49,6 @@ public class Score {
         this.id = objective.getScoreboard().getNextId().getAndIncrement();
         this.objective = objective;
         this.name = name;
-        update();
     }
 
     public String getDisplayName() {

connector/src/main/java/org/geysermc/connector/scoreboard/Scoreboard.java

@@ -152,10 +152,6 @@ public class Scoreboard {
             boolean globalAdd = objective.getUpdateType() == ADD;
             boolean globalRemove = objective.getUpdateType() == REMOVE;
 
-            // Track if any scores changed
-            // Used to delete and resend scoreboard objectives; otherwise they won't update on Bedrock
-            boolean scoreChanged = false;
-
             for (Score score : objective.getScores().values()) {
                 Team team = score.getTeam();
 
@@ -171,16 +167,21 @@ public class Scoreboard {
                     teamChanged |= team.getUpdateType() == UPDATE;
 
                     add |= team.getUpdateType() == ADD || team.getUpdateType() == UPDATE;
-                    remove |= team.getUpdateType() == REMOVE;
+                    remove |= team.getUpdateType() != NOTHING;
                 }
 
                 add |= score.getUpdateType() == ADD || score.getUpdateType() == UPDATE;
-                remove |= score.getUpdateType() == REMOVE;
-                if (score.getUpdateType() == REMOVE) {
+                remove |= score.getUpdateType() == REMOVE || score.getUpdateType() == UPDATE;
+
+                if (score.getUpdateType() == REMOVE || globalRemove) {
                     add = false;
                 }
 
-                if (score.getUpdateType() == UPDATE || teamChanged) {
+                if (score.getUpdateType() == ADD) {
+                    remove = false;
+                }
+
+                if (score.getUpdateType() == ADD || score.getUpdateType() == UPDATE || teamChanged) {
                     score.update();
                 }
 
@@ -191,12 +192,6 @@ public class Scoreboard {
                     removeScores.add(score.getCachedInfo());
                 }
 
-                if (add || remove) {
-                    scoreChanged = true;
-                }
-                // score is pending to be updated, so we use the current score as the old score
-                score.setOldScore(score.getScore());
-
                 // score is pending to be removed, so we can remove it from the objective
                 if (score.getUpdateType() == REMOVE) {
                     objective.removeScore0(score.getName());
@@ -205,17 +200,17 @@ public class Scoreboard {
                 score.setUpdateType(NOTHING);
             }
 
-            if (globalRemove || globalUpdate || scoreChanged) {
+            if (globalRemove || globalUpdate) {
                 RemoveObjectivePacket removeObjectivePacket = new RemoveObjectivePacket();
                 removeObjectivePacket.setObjectiveId(objective.getObjectiveName());
                 session.sendUpstreamPacket(removeObjectivePacket);
-                if (objective.getUpdateType() == REMOVE) {
+                if (globalRemove) {
                     objectives.remove(objective.getObjectiveName()); // now we can deregister
                     objective.removed();
                 }
             }
 
-            if (globalAdd || globalUpdate || scoreChanged) {
+            if ((globalAdd || globalUpdate) && !globalRemove) {
                 SetDisplayObjectivePacket displayObjectivePacket = new SetDisplayObjectivePacket();
                 displayObjectivePacket.setObjectiveId(objective.getObjectiveName());
                 displayObjectivePacket.setDisplayName(objective.getDisplayName());